Marking the feature directorial debut of Rob Reiner and the mockumentary as a significant cinematic subgenre, THIS IS SPINAL TAP (1984) was co-written by Reiner and stars Reiner, Christopher Guest, Michael McKean and Harry Shearer – earning a place on the American Film Institute’s list of the art form’s greatest comedies. Visit the AFI Catalog to learn more about THIS IS SPINAL TAP. Have Get The Picture delivered to your inbox every day.